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2025-12-08 - 14:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon Dec 08, 2025 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31964213270,6sleep10-21swapper/119:07:231
319612112102,7sleep30-21swapper/319:07:203
318992112100,6sleep00-21swapper/019:06:330
32136210898,7sleep20-21swapper/219:09:362
56021050,4sleep03232899cyclictest21:48:320
40232620,0sleep00-21swapper/019:10:240
179942620,0sleep00-21swapper/019:50:170
124342620,2sleep3391ktimersoftd/319:15:203
223112600,1sleep10-21swapper/122:29:551
112822580,0sleep30-21swapper/323:40:203
85772540,0sleep30-21swapper/321:51:003
295992540,0sleep30-21swapper/300:39:593
224672460,0sleep20-21swapper/222:45:102
3233999350,31cyclictest14563-21kworker/2:122:07:262
3233999320,3cyclictest0-21swapper/200:08:322
3232899321,4cyclictest0-21swapper/023:37:550
3233999310,3cyclictest0-21swapper/223:48:062
3233999310,3cyclictest0-21swapper/200:21:092
3233999300,26cyclictest0-21swapper/222:55:312
3233999294,2cyclictest0-21swapper/222:32:402
32339992910,15cyclictest0-21swapper/222:50:172
32339992910,15cyclictest0-21swapper/222:50:162
3233999290,16cyclictest0-21swapper/222:40:312
3233999280,16cyclictest0-21swapper/222:25:422
3233499280,27cyclictest0-21swapper/122:40:441
32339992717,3cyclictest0-21swapper/222:39:522
32339992711,5cyclictest21188-21kworker/2:223:21:322
3233999270,26cyclictest0-21swapper/221:33:112
3233999270,26cyclictest0-21swapper/200:35:162
3233999270,20cyclictest0-21swapper/223:02:082
3233999270,16cyclictest0-21swapper/200:02:052
3233999270,15cyclictest0-21swapper/223:17:532
3233499270,26cyclictest0-21swapper/123:30:491
3233499270,26cyclictest0-21swapper/123:13:041
3233499270,26cyclictest0-21swapper/122:12:271
3233499270,26cyclictest0-21swapper/121:39:011
3233499270,26cyclictest0-21swapper/120:23:181
3233499270,26cyclictest0-21swapper/100:36:431
3233499270,26cyclictest0-21swapper/100:33:411
3233499270,26cyclictest0-21swapper/100:13:051
3233499270,26cyclictest0-21swapper/100:04:321
3232899270,26cyclictest0-21swapper/022:59:310
3233999269,4cyclictest0-21swapper/223:14:462
3233999262,20cyclictest11140-21ssh00:30:002
32339992619,6cyclictest10272-21snmpd20:35:102
32339992618,7cyclictest10272-21snmpd19:45:012
32339992612,12cyclictest0-21swapper/221:44:062
3233999260,9cyclictest21188-21kworker/2:200:14:582
3233999260,2cyclictest0-21swapper/222:21:122
3233999260,25cyclictest0-21swapper/219:26:132
3233999260,25cyclictest0-21swapper/219:16:102
3233999260,24cyclictest0-21swapper/221:25:202
3233999260,20cyclictest0-21swapper/220:40:532
3233999260,1cyclictest0-21swapper/223:58:142
3233999260,16cyclictest0-21swapper/221:22:492
3233999260,14cyclictest0-21swapper/223:39:112
3233499260,25cyclictest0-21swapper/122:24:511
3233499260,25cyclictest0-21swapper/122:17:441
3233499260,25cyclictest0-21swapper/121:06:341
3233499260,25cyclictest0-21swapper/120:45:131
3233499260,25cyclictest0-21swapper/120:12:011
3233499260,25cyclictest0-21swapper/119:28:191
3233499260,25cyclictest0-21swapper/100:22:461
3232899260,24cyclictest23857-21munin-run21:45:000
3233999258,5cyclictest32230-21kworker/2:023:07:322
3233999252,14cyclictest8327-21ssh21:50:442
32339992517,7cyclictest10272-21snmpd20:49:432
32339992517,7cyclictest10272-21snmpd20:22:242
32339992517,7cyclictest10272-21snmpd19:12:032
3233999251,3cyclictest0-21swapper/200:32:012
3233999250,2cyclictest7884-21/usr/sbin/munin21:35:222
3233999250,24cyclictest0-21swapper/223:27:242
3233999250,20cyclictest0-21swapper/220:57:552
3233999250,14cyclictest0-21swapper/223:32:222
3233499250,24cyclictest0-21swapper/123:43:181
3233499250,24cyclictest0-21swapper/123:23:131
3233499250,24cyclictest0-21swapper/123:08:581
3233499250,24cyclictest0-21swapper/120:33:371
3233499250,1cyclictest0-21swapper/122:00:561
32328992517,7cyclictest0-21swapper/022:07:490
32328992516,8cyclictest0-21swapper/000:39:020
3233999249,13cyclictest0-21swapper/222:02:392
32339992418,5cyclictest10272-21snmpd19:31:272
32339992417,6cyclictest10272-21snmpd20:19:242
32339992417,6cyclictest10272-21snmpd19:45:032
32339992417,6cyclictest10272-21snmpd19:45:032
3233999241,13cyclictest14563-21kworker/2:121:45:312
3233999241,12cyclictest17818-21ssh23:42:542
32339992411,12cyclictest0-21swapper/222:14:362
3233999240,2cyclictest0-21swapper/221:59:052
3233999240,1cyclictest0-21swapper/221:11:282
3233999240,14cyclictest0-21swapper/200:18:032
3233499242,21cyclictest0-21swapper/100:19:521
32334992416,7cyclictest0-21swapper/121:59:181
3233499240,23cyclictest0-21swapper/123:52:371
3233499240,23cyclictest0-21swapper/123:26:571
3233499240,23cyclictest0-21swapper/123:02:511
3233499240,23cyclictest0-21swapper/121:19:061
3233499240,23cyclictest0-21swapper/120:29:371
3233499240,18cyclictest0-21swapper/120:52:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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